Table 2.
Clinical data of the groups of EGFR mutation status in NSCLC.
| Characteristics | EGFR wild-type | EGFR mutation | P value | |
|---|---|---|---|---|
| Sex | Male | 25 | 18 | 0.532 |
| Female | 11 | 11 | ||
| Patient age (year) | 64.06 ± 10.55 | 64.58 ± 10.33 | 0.839 | |
| Smoking status | Smoker | 12 | 2 | 0.023 |
| Non-smoker | 24 | 27 | ||
| Pathological grade | I + II | 16 | 18 | 0.157 |
| III | 20 | 11 | ||
| Histological type | Adenocarcinoma | 23 | 25 | 0.080 |
| Non-adenocarcinoma | 13 | 4 | ||
| Tumour stage | I + II | 29 | 22 | 0.647 |
| III + IV | 7 | 7 | ||
| Tumour diameter (mm) | 23.72 ± 10.06 | 20.95 ± 6.58 | 0.187 | |
| Ki-67 expression | Low level (≤30%) | 17 | 23 | 0.008 |
| High level (>30%) | 19 | 6 |